This 3.0" downpipe assembly Fits FWD 2.0L FSI/TSI equipped VW Golf/Jetta/GTI/Audi A3. 304 stainless with gasketless/aircraft grade 3" stainless V-Band connection. Includes racing cat delete rear section and bolts directly to stock exhaust joint. All CNC mandrel bent and CNC flanges using TIG welded assembly. A must have mod for any "chipped" or "reflashed" vehicle to easily gain big HP and Torque. Over 30 ft/lbs and over 30WHP @ through various parts of the power band (see dyno charts). All very easy to install.